under lock and key

常见例句

I keep a lot of things under lock and key - most foodstuffs, cleaning materials, the hamster.
我把家里的很多东西都锁起来---大多数是食品，洗涤用的东西，还有我们养的仓鼠。
For they, according to Fisher, tend to keep their emotions under lock and key, while I’m much more of a die-hard romantic.
因为根据费雪理论，这种类型的人往往将自己的情绪暗藏深锁起来，而我却是一个崇尚浪漫的人。
In practice, you should place the certifier under lock and key and may even put a guard (an actual person!) in charge of handing out the key via a very controlled mechanism.
实际上，您应该把证明锁起来再放上警卫（真正的人！），通过严格控制的机制传递钥匙。

The former partners tried to keep Cawley's new claims under lock and key at the courthouse.
FORBES: Magazine Article
In its quarterly Inflation Report it signalled that the door remains under lock and key.
ECONOMIST: The Bank is in no hurry to raise the price of money
Some publish their maps on the Internet, while others, like Greenwich, keep them under lock and key.
NPR: Security Officials Seek to Block Some Online Maps